ALPS-Lab at SemEval-2026 Task 3: A Multilingual Generative LLM Approach for Dimensional Aspect Sentiment Analysis

Songqian Dai, Wei Lin


Abstract
We propose a SFT approach for the DimABSA shared task, which predicts aspect-level sentiment intensities using large language models. The approach uses Gemma-3 27B with QLoRA for efficient fine-tuning on multilingual datasets. Merging data across languages improves performance, especially in low-resource domains. Post-processing removes duplicate outputs for accurate evaluation.
Anthology ID:
2026.semeval-1.212
Volume:
Proceedings of the 20th International Workshop on Semantic Evaluation (2026)
Month:
July
Year:
2026
Address:
San Diego, California, USA
Editors:
Ekaterina Kochmar, Debanjan Ghosh, Kai North, Mamoru Komachi
Venues:
SemEval | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
1652–1658
Language:
URL:
https://preview.aclanthology.org/ingest-acl-workshops/2026.semeval-1.212/
DOI:
Bibkey:
Cite (ACL):
Songqian Dai and Wei Lin. 2026. ALPS-Lab at SemEval-2026 Task 3: A Multilingual Generative LLM Approach for Dimensional Aspect Sentiment Analysis. In Proceedings of the 20th International Workshop on Semantic Evaluation (2026), pages 1652–1658, San Diego, California, USA. Association for Computational Linguistics.
Cite (Informal):
ALPS-Lab at SemEval-2026 Task 3: A Multilingual Generative LLM Approach for Dimensional Aspect Sentiment Analysis (Dai & Lin, SemEval 2026)
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PDF:
https://preview.aclanthology.org/ingest-acl-workshops/2026.semeval-1.212.pdf